1880667780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{728941}}^1$

素因数の和:728996

約数の個数: 48

約数和(自身を含む): 5388339264

約数和(自身を除く): 3507671484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 728941, 1457882, 2186823, 2915764, 3644705, 4373646, 7289410, 8747292, 10934115, 14578820, 21868230, 31344463, 43736460, 62688926, 94033389, 125377852, 156722315, 188066778, 313444630, 376133556, 470166945, 626889260, 940333890, 1880667780]

約数ペア:

[(1, 1880667780), (2, 940333890), (3, 626889260), (4, 470166945), (5, 376133556), (6, 313444630), (10, 188066778), (12, 156722315), (15, 125377852), (20, 94033389), (30, 62688926), (43, 43736460), (60, 31344463), (86, 21868230), (129, 14578820), (172, 10934115), (215, 8747292), (258, 7289410), (430, 4373646), (516, 3644705), (645, 2915764), (860, 2186823), (1290, 1457882), (2580, 728941)]